75 



which, covered by the shining-gray epidermis, forms indefinitely lim- 

 ited spots, finally erumpent, gregarious, globose, black, 60-70 ^ diam.. 

 with a small ostiolum. Asci sessile, elongated, inflated below, 8-spored. 

 50-65x11-13 fji. Sporidia biseriate below, uniseriate above, broacllv 

 rounded at the ends, somewhat constricted at the septum, the lower 

 cell mostly somewhat longer and narrower than the upper one, yel- 

 lowish-green, 1 1-15 x 3-5 \ p.. 



On fallen leaves of poplar, Adirondack Mts., New York. 



S. pyrina, E. & E, (in Herb.) 



Spfuzrella sentina, Fr. in Ell. N. A. F. 597. 



Perithecia suberumpent, scattered or collected in irregular and 

 indefinitely limited groups, 75-100 p. diam., pierced above, globose, 

 black. Asci 22-30 x 5-6 t a. Sporidia biseriate, clavate-oblong, uni- 

 septate, yellowish-hyaline, 6-9 x 2 /j., not constricted. 



On fallen pear leaves in the spring of the year, Newfield, N. J. 



This cannot be S. sentina (Fr.) which (sec. description and specc. 

 in Thiim. IF. U. 1058 and F. Sax. 372) has asci 75 x 10 n, and sporiclia 

 15x5 //. 



S. Sassafras, E. & E. Bull. Torr. Bot. Club. X, p. 98. 



Exsicc. Ell. & Evrht. N. A. F. 1683. 



Perithecia minute, semiimmersed, scattered over the lower sur- 

 face of the leaf, or collected in groups, but not on any distinct spots. 

 Asci subcylindrical, 35 x 5 p. Sporidia biseriate, oblong-elliptical. 

 uniseptate, 4xlJ-2 jut, hyaline. 



On fallen leaves of Sassafras, Kansas and New Jersey, 



S. septorioides, (Desm.) 



Spluzria septorioides, Desm. Ann. Sci. Nat. III. Ser. tom. VI, p. 81. 

 SpJuerella septorioides, Niessl. in Kunze's F. Sel. 242, Rab. F. E. 1241. 



Perithecia very small, innate-erumpent, globose, black, perforated 

 above, hypophyllous, forming numerous, very small, greenish spots. 

 which, later on, become larger, suborbicular and olive-brown. Asci 

 cylindrical, rounded above, narrowed below, 8-spored, 30-35 x 5 //. 

 Sporidia subbiseriate, elliptic-oblong, rather narrower below, the upper 

 cell broader and shorter, scarcely constricted, 8-9 x 2J /*. 



Peck cites this as found in Xew York. (On maple leaves)? 



S. spleniata, C. & P. Peck's 25th Rep. p. 105. 



Sphcerella nigrita, Cke. Grev. VII, p. 13. 



Perithecia innate, densely crowded in broad (|-1 cm.), black, or 



